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388
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2
2003
1
1981
2
1973
19
1972
69
1971
116
1970
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385
nasa
382
apollo
375
guidance
274
software
134
luminary
61
LM
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Creator
50
don eyles
29
george w. cherry
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mit instrumentation laboratory
22
d. densmore
22
mit instrumentation lab
20
craig schulenberg
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Virtual AGC Project
Dec 23, 2018 MIT Instrumentation Lab
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This is Apollo Program document ND-1002323, revs J through S.  It relates to checkout of the Apollo spacecraft Guidance & Navigation system using an Apollo Guidance Computer loaded with the AURORA 88 program.
Topics: nasa, apollo, guidance
Virtual AGC Project
Dec 23, 2018 MIT Instrumentation Lab
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This is Apollo Program document ND-1002187.
Topics: nasa, apollo, guidance
Virtual AGC Project
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This is Apollo Program document ND-1002136.
Topics: nasa, apollo, guidance
This is Apollo Program document ND-1002069.
Topics: nasa, apollo, guidance
Virtual AGC Project
Dec 23, 2018 MIT Instrumentation Lab
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This is Apollo Program document ND-1002031, covering the process for wirewrapped circuitry.
Topics: nasa, apollo, guidance
Virtual AGC Project
Dec 23, 2018 MIT Instrumentation Lab
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This is Apollo Program document ND-1002019, establishing the marking requirements for parts and assemblies of the Apollo guidance&navigation equipment, including the Apollo Guidance Computer (AGC) and its DSKY.
Topics: nasa, apollo, guidance
This is NASA document 69-FM-175, covering the abort plan for the Apollo 11 Lunar Module. The document is incomplete, because it is missing approximately its final 40 pages, which consist entirely of graphs and of a one-page list of references.  If those pages become available later, they will be added here.
Topics: nasa, apollo, guidance, abort
Virtual AGC Project
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A change ("Change 4") for NASA document 69-FM-326, converting it for use in Apollo 15 (from Apollo 14).
Topics: nasa, apollo, guidance
Virtual AGC Project
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A correction ("Change 3") to NASA document 69-FM-326.
Topics: nasa, apollo, guidance
Virtual AGC Project
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eye 6
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A correction ("Change 2") to NASA document 69-FM-326.
Topics: nasa, apollo, guidance
Virtual AGC Project
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eye 5
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A correction ("Change 1") to NASA document 69-FM-326.
Topics: nasa, apollo, guidance
Virtual AGC Project
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eye 5
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This is NASA document 69-FM-326, covering computations by the Apollo Program RTCC (Real Time Computer Complex) related to star sighting in the Apollo spacecraft.
Topics: nasa, apollo, guidance
Virtual AGC Project
Dec 22, 2018 NASA
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This is NASA document 69-FM-327.  It covers changes in the software (in flowchart form) for the Apollo Program's RTCC (Real Time Computer Complex) to compute LOI (Lunar Orbit Insertion).
Topics: nasa, apollo, guidance
This is a correction ("Change 1") to NASA document 70-FM-11.
Topics: nasa, apollo, guidance
This is NASA document 70-FM-11.  It provides theory of operation and software (in flowchart form) for the Apollo Program's RTCC (Real Time Computer Complex) to compute lunar fly-by modes for the Apollo 14 mission.
Topics: nasa, apollo, guidance
This is a correction ("Change 1") to NASA document 70-FM-14.
Topics: nasa, apollo, guidance
This is NASA document 70-FM-14.  It provides theory of operation and code (in flowchart form) for the Apollo Program's RTCC (Real-Time Computer Complex) to compute non-free returns to Earth (i.e., requiring expenditure of fuel) for Apollo 14.
Topics: nasa, apollo, guidance
A correction ("Change 1") to document 70-FM-15.
Topics: nasa, apollo, guidance
This is NASA document 70-FM-15, covering the theory of operation and flowchart code for the Apollo Program's RTCC software, for computing free-return to Earth in the Apollo 14 missing.
Topics: nasa, apollo, guidance
Virtual AGC Project
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A correction ("Change 1") to document 70-FM-19.
Topics: nasa, apollo, guidance
Virtual AGC Project
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This is NASA document 70-FM-19.  It provides the logic, in flow-chart form, for a return to Earth in the Apollo Program's RTCC (Real-Time Computer Complex) software.
Topics: nasa, apollo, guidance
Virtual AGC Project
Dec 22, 2018 MIT Instrumentation Lab
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This is part of a collection of MIT/IL Apollo Guidance Computer mechanical and electrical drawings, scanned from "aperture cards" (microfilm) held by the U.S. National Archives and Records Administration. See also the  other  batches of aperture cards, and the  index of the individual drawings in these uploads  at the Virtual AGC Project website.
Topics: nasa, apollo, guidance, computer
Virtual AGC Project
Dec 21, 2018 MIT Instrumentation Lab
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This is part of a collection of MIT/IL Apollo Guidance Computer mechanical and electrical drawings, scanned from "aperture cards" (microfilm) held by the U.S. National Archives and Records Administration. This batch consists almost entirely of Block I AGC/DSKY mechanical and electrical drawings. See also the  other  batches of aperture cards, and the  index of the individual drawings in these uploads  at the Virtual AGC Project website.
Topics: nasa, apollo, guidance, computer
Virtual AGC Project
Dec 19, 2018 MIT Instrumentation Lab
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This is part of a collection of MIT/IL Apollo Guidance Computer mechanical and electrical drawings, scanned from "aperture cards" (microfilm) held by the U.S. National Archives and Records Administration. See also the  other  batches of aperture cards, and the  index of the individual drawings in these uploads  at the Virtual AGC Project website.
Topics: nasa, apollo, guidance, computer
Virtual AGC Project
Dec 18, 2018 MIT Instrumentation Lab
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This is part of a collection of MIT/IL Apollo Guidance Computer mechanical and electrical drawings, scanned from "aperture cards" (microfilm) held by the U.S. National Archives and Records Administration. This particular batch consists entirely of Block I AGC/DSKY mechanical drawings. See also the  other  batches of aperture cards, and the  index of the individual drawings in these uploads  at the Virtual AGC Project website.
Topics: nasa, apollo, guidance, computer
Virtual AGC Project
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This is Apollo Program document ND-1002324, providing instructions for checking out Apollo Command Module guidance&navigation system, using the Apollo Guidance Computer (AGC).
Topics: nasa, apollo, guidance, computer
This is Apollo Program document ND-1002005.  It contains a welding specification.
Topics: nasa, apollo, guidance, computer
Virtual AGC Project
Dec 18, 2018 MIT Instrumentation Lab
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This is part of a collection of MIT/IL Apollo Guidance Computer mechanical and electrical drawings, scanned from "aperture cards" (microfilm) held by the U.S. National Archives and Records Administration. See also the  other  batches of aperture cards, and the  index of the individual drawings in these uploads  at the Virtual AGC Project website.
Topics: nasa, apollo, guidance, computer
Virtual AGC Project
Dec 16, 2018 MIT Instrumentation Lab
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MIT/IL Specification Control Drawings for various AGC/DSKY electrical components.  One of several such batches.
Topics: nasa, apollo, guidance, computer
Virtual AGC Project
Dec 16, 2018 MIT Instrumentation Lab
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Electrical schematics for Block I Apollo Guidance Computer (AGC).
Topics: nasa, apollo, guidance, computer
Virtual AGC Project
Dec 16, 2018 MIT Instrumentation Lab
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MIT/IL engineering drawings for the Block II DSKY (Apollo).
Topics: nasa, apollo, guidance, computer
Virtual AGC Project
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This is Apollo Program document ND-1002380.  It contains a 100+ page procedure for checking out the Apollo Lunar Module guidance & navigation system, using an installed Apollo Guidance Computer (AGC) with LUMINARY software in it. All revisions of the document ("-" through "F") are provided.  In the Apollo period, a single, cohesive document with uniform page-numbering would have been created from these various revisions, but in this scan that has not been done. ...
Topics: nasa, apollo, guidance, computer
Virtual AGC Project
Dec 15, 2018 North American Aviation
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eye 22
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This is a North American Aviation document describing the electrical interfaces between the Apollo Guidance Computer and the Command Module.  Both revisions "-" and "A" are presented. This document was scanned from aperture cards at NARA Southwest, but due to time and money pressures, a cheap flatbed scanner was used in place of NARA's equipment.  As a result, although the aperture cards are of relatively high quality, the scanned images are sometimes poor, with some...
Topics: nasa, apollo, guidance, computer
Virtual AGC Project
Dec 15, 2018 MIT Instrumentation Lab
texts
eye 35
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This is part of a collection of MIT/IL Apollo Guidance Computer mechanical and electrical drawings, scanned from "aperture cards" (microfilm) held by the U.S. National Archives and Records Administration. See also the  other  batches of aperture cards, and the  index of the individual drawings in these uploads  at the Virtual AGC Project website.
Topics: nasa, apollo, guidance, computer
Virtual AGC Project
Dec 13, 2018 MIT Instrumentation Lab
texts
eye 43
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This is part of a collection of MIT/IL Apollo Guidance Computer mechanical and electrical drawings, scanned from "aperture cards" (microfilm) held by the U.S. National Archives and Records Administration. See also the  other  batches of aperture cards, and the  index of the individual drawings in these uploads  at the Virtual AGC Project website.
Topics: nasa, apollo, guidance, computer
Virtual AGC Project
Dec 12, 2018 MIT Instrumentation Lab
texts
eye 0
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This is part of a collection of MIT/IL Apollo Guidance Computer mechanical and electrical drawings, scanned from "aperture cards" (microfilm) held by the U.S. National Archives and Records Administration. See also the  other  batches of aperture cards, and the  index of the individual drawings in these uploads  at the Virtual AGC Project website.
Topics: nasa,apollo,guidance,computer, apollo, guidance, computer
Virtual AGC Project
Dec 12, 2018 MIT Instrumentation Lab
texts
eye 56
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This is part of a collection of MIT/IL Apollo Guidance Computer mechanical and electrical drawings, scanned from "aperture cards" (microfilm) held by the U.S. National Archives and Records Administration. See also the  other  batches of aperture cards, and the  index of the individual drawings in these uploads  at the Virtual AGC Project website.
Topics: nasa, apollo, guidance, computer
Virtual AGC Project
Dec 11, 2018 MIT Instrumentation Lab
texts
eye 53
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This is part of a collection of MIT/IL Apollo Guidance Computer mechanical and electrical drawings, scanned from "aperture cards" (microfilm) held by the U.S. National Archives and Records Administration. See also the  other  batches of aperture cards, and the  index of the individual drawings in these uploads  at the Virtual AGC Project website.
Topics: nasa, apollo, guidance, computer
Virtual AGC Project
Dec 8, 2018 MIT Instrumentation Lab
texts
eye 74
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This is part of a collection of MIT/IL Apollo Guidance Computer mechanical and electrical drawings, scanned from "aperture cards" (microfilm) held by the U.S. National Archives and Records Administration. See also the  other  batches of aperture cards, and the  index of the individual drawings in these uploads  at the Virtual AGC Project website.
Topics: nasa, apollo, guidance, computer, apollo, guidance, computer
Virtual AGC Project
Dec 5, 2018 MIT Instrumentation Laboratory
texts
eye 73
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This is part of a collection of MIT/IL Apollo Guidance Computer mechanical and electrical drawings, scanned from "aperture cards" (microfilm) held by the U.S. National Archives and Records Administration. See also the other batches of aperture cards, and the index of the individual drawings in these uploads at the Virtual AGC Project website.
Topics: apollo, nasa, guidance, computer
Virtual AGC Project
Dec 2, 2018 AC Electronics
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Summary of Apollo 11 guidance computer software operation and computer peripheral device electronics for the Command and Lunar Modules.
Topics: nasa, AGC, guidance, computer, apollo
Virtual AGC Project
Sep 28, 2018 R. Covelli
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eye 9
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Proposals related to potential forward- and lateral-velocity errors in LGC program P66 discovered in Grumman simulations.
Topics: nasa, apollo, guidance, computer, software, LM
Virtual AGC Project
Sep 28, 2018 Grumman Aircraft Engineering Corporation
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Report on evaluation of data obtained from the running of OCP 61018.  Proper LM integrated systems performance was verified during a simulated manned mission.
Topics: nasa, apollo, LM
Virtual AGC Project
Sep 28, 2018 Craig Work
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Describes some approximations used in PCR 1129.
Topics: nasa, apollo, guidance, software, AGC
Virtual AGC Project
Sep 28, 2018 Howard W. Tindall, Jr.
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"Tindallgram" regarding an existing plan to use the Apollo 15 LUMINARY and COLOSSUS software as-is for Apollo 16 and 17.  I quote: "from a software standpoint, it is the proper thing to do and they should have at it.  Colossus and Luminary are perfect!"
Topics: nasa, apollo, guidance, software, AGC
Virtual AGC Project
Sep 28, 2018 Howard W. Tindall, Jr.
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"Tindalgram" concerning "an ersatz Software Control Board Meeting" to discuss what should be done with Luminary for Apollo 14, due to unacceptable errors in forward and lateral speed.
Topics: nasa, apollo, guidance, AGC, LM
Virtual AGC Project
Sep 28, 2018 Howard W. Tindall, Jr.
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"Tindallgram" covering a number of interesting spacecraft computer things that came up at the July 10, 1970, Software Control Board meeting.
Topics: nasa, apollo, guidance, software, AGC
Describes a setup for simulating LM RR in the lab.
Topics: nasa, apollo, LM, AGC
Describes a setup devised by FCI Laboratory to reproduce certain aspects of the RR-CDU interface without an actual rendezvous radar, to the extent that it could be used to test certain fixes to LUMINARY software.
Topics: nasa, apollo, guidance, AGC, simulation
Virtual AGC Project
Sep 28, 2018 Clint Tillman
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Status of the investigation of the alarm codes that occurred during the Powered Descent Phase of the Apollo 11 mission.
Topics: nasa, apollo, guidance, software, AGC, LM
Virtual AGC Project
Sep 28, 2018 Joseph G. Thiboaux, Jr.
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Recommendation for LM-1 engine.
Topics: nasa, apollo, LM
Discusses very late acquisition in Apollo 14, just about 1 minute prior to a mandatory abort descision.
Topics: nasa, apollo, guidance, AGC, LM
Virtual AGC Project
Sep 28, 2018 Larry W. Strimple
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Discusses mutually-inconsistent procedures for ignition whilst on the lunar surface.
Topics: nasa, apollo, guidance, LM
Virtual AGC Project
Sep 28, 2018 James C. Stokes, Jr.
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Report of analysis on using a variable time base.
Topics: nasa, apollo, guidance, software, AGC
Virtual AGC Project
Sep 28, 2018 R. A. Sheridan
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Report of analysis of affect on simulation of AGC flight programs of the "CCS Q" bug (a bug in the digital simulator software).  The conclusion is that simulations of ARTEMIS, LUMINARY, and SKYLARK would not have been affected, because those programs were not able to trigger the simulator bug.
Topics: nasa, apollo, guidance, software, simulation, AGC
Virtual AGC Project
Sep 28, 2018 Dave Scott
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Memo from astronaut Dave Scott to astronaut Fred Haise, describing changes that he thinks will significantly enhance AGC program LUMINARY 173.
Topics: nasa, apollo, guidance, computer, software, AGC
Virtual AGC Project
Sep 28, 2018 R. Schindwolf
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eye 10
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Grumman analysis that the stability of the rate-of-descent control system can be optimized by properly matching the LGC programmed gain constants to the system time delays.
Topics: nasa, apollo, guidance, software, AGC, LM
Virtual AGC Project
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eye 14
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7 PCRs and two PCNs approved, 3 rejected.  Plus, a pep talk as to just why those PCRs were so good.
Topics: nasa, apollo, guidance, software, AGC
Virtual AGC Project
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Describes the then-approved PCNs and PCRs for LUMINARY 1A.
Topics: nasa, apollo, guidance, software, AGC
Virtual AGC Project
Sep 28, 2018 George W. Cherry
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Various PCRs and PCNs dealt with by 24th Software Configuration Control Board meeting.
Topics: nasa, apollo, guidance, software, AGC
Virtual AGC Project
Sep 28, 2018 George W. Cherry
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PCNs approved: 401.1, 404, 414, 415.1 and .2, 423, 425, 435, 436, 449, 450, 451.1 and .2, 452.1 and .2, 453.1 and .2, 454, 456, 457.1 and .2, 458, 459, 460, 461, 462, 463, 464, 467, 466, 480, 483 Deferred: 442, 191.2 Rejected: 455 And so on with PCRs as well.
Topics: nasa, apollo, guidance, software, AGC
Virtual AGC Project
Sep 28, 2018 George W. Cherry
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eye 20
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(Apollo Project Memo No. 1933) Notes from 19th software control board meeting.  PCRs 207.2, 210, 214, 400, 420.2, 205, 470, 472, 475, 478.  And others.
Topics: nasa, apollo, guidance, AGC, software
Virtual AGC Project
Sep 28, 2018 John Norton
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An infamous memo by TRW's John Norton to Jack Garman.  Funny?  Furious?  Fussy?  You decide.  But make sure whatever you decide starts with an F.
Topics: nasa, apollo, software
Virtual AGC Project
Sep 28, 2018 John Norton
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eye 11
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A collection of three memos by TRW's John Norton, relating to questions of about LUMINARY 185, explication of ZERLINA 56, and concerns about LUMINARY GSOP.
Topics: nasa, apollo, guidance, AGC, LM, software
A pair of memos relating concerns about implementation of a landing analog display routine and incompatibility of several aspect of LUMINARY vs MSC requirements.
Topics: nasa, apollo, guidance, agc, software, LM
A pair of memos by TRW's John Norton, itemizing software costs and technically questionable details in implementing the Variable Servicer Program for Apollo 14.
Topics: nasa, apollo, guidance, software, AGC, LM
Virtual AGC Project
Sep 28, 2018 John Norton
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Evaluation of the proposed the variable guidance cycle as implemented in ZERLINA, but TRW's John Norton.  (He is generally favorable.)
Topics: nasa, apollo, guidance, software, LM, AGC
Virtual AGC Project
Sep 28, 2018 John Norton
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A list of desired features for future space-borne computers, based on lessons learned from the AGC, written by TRW guru John Norton.
Topics: nasa, apollo, guidance, computer
Virtual AGC Project
Sep 28, 2018 Don Eyles
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eye 9
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Latest version of EMP (erasable memory program) 103B, for CDU backup.
Topics: nasa, apollo, guidance, software, AGC, LM
Virtual AGC Project
Sep 28, 2018 George M. Low
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eye 14
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Recommendations for improving procedure for creating crew procedures.
Topics: nasa, apollo
Virtual AGC Project
Sep 28, 2018 D. Lickly
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eye 9
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List of software/testing responsibilities.
Topics: nasa, apollo, guidance, AGC, software
Virtual AGC Project
Sep 28, 2018 R. Larson
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Notes taken from a multi-organization meeting concerning Apollo 15.
Topics: nasa, apollo, guidance, LM
Virtual AGC Project
Sep 28, 2018 R. A. Larson, Howard W. Tindall, Jr.
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Status of LUMINARY for Apollo 14.
Topics: nasa, apollo, guidance, software, AGC, LM
Virtual AGC Project
Sep 28, 2018 R. Larson
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eye 7
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Viewgraphs for a presentation.
Topics: nasa, apollo, guidance, LM
Virtual AGC Project
Sep 28, 2018 R. Larson
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Minutes of a meeting to discuss certain characteristics of lunar descent, namely time to throttle up (TUP) and the DSKY indicator lamps (decision was ALT, VEL, and two blanks).
Topics: nasa, apollo, guidance, DSKY, AGC, LM
Virtual AGC Project
Sep 28, 2018 B. A. Kriegsman and D. E. Gustafson
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eye 9
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Viewgraphs for a design review concerning "terrain-filtering" schemes for use in a powered lunar landing.
Topics: nasa, apollo, guidance, LM
Virtual AGC Project
Sep 28, 2018 Allan Klumpp, Nick Pippenger
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eye 14
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Description of the conditions necessary to achieve Apollo 12's landing-accuracy objectives.
Topics: nasa, apollo, guidance, LM
Virtual AGC Project
Sep 28, 2018 R. Larson, A. Klumpp, G. Kalan
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High-level outline of a presentation on P66 throttle loop by Larson, Klumpp, and Kalan.
Topics: nasa, apollo, guidance, LM, AGC
Virtual AGC Project
Sep 28, 2018 Allan Klumpp
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eye 11
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Reports on analysis of 16 anomalies in the Apollo 14 descent simulations.
Topics: nasa, apollo, guidance, LM, simulation
Virtual AGC Project
Sep 28, 2018 Allan Klumpp
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eye 10
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Describes the expected appearance of the new real-time TLOSS monitoring/plotting facility for the Apollo 13 descent.
Topics: nasa, guidance, apollo, LM
Virtual AGC Project
Sep 28, 2018 Allan Klumpp, Nick Pippenger
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eye 8
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Describes the conditions necessary to achieve Apollo 12's desired landing accuracy.
Topics: nasa, apollo, guidance, LM
Virtual AGC Project
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eye 7
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Evaluation of LM PGNCS performance for several different conditions of failed discrete inputs.
Topics: nasa, apollo, guidance, LM
Virtual AGC Project
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eye 7
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Relates concerns received from Grumman about "excessive" N49's.
Topics: nasa, guidance, apollo, LM
Virtual AGC Project
Sep 28, 2018 Jay Greene
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Describes changes in descent procedures related to N69, due to Hadley Rille's location and terrain.
Topics: nasa, apollo, guidance, AGC, LM
Virtual AGC Project
Sep 28, 2018 D. G. Hoag
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eye 14
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Apollo 11 mission report.
Topics: nasa, apollo, guidance, LM
Virtual AGC Project
Sep 28, 2018 D. G. Hoag
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eye 9
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Apollo 9 mission summary.
Topics: nasa, apollo, guidance
Virtual AGC Project
Sep 28, 2018 D. G. Hoag
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eye 9
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Apollo 8 mission summary.  As far as guidance & navigation (the emphasis of this archive) are concerned, "few problems and superb performance were experienced".
Topics: nasa, apollo, guidance, AGC
Virtual AGC Project
Sep 28, 2018 Fred W. Haise
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eye 8
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A report by astronaut Fred Haise on three alternative approaches to handling abort conditions, accompanied by a healthy dosage of whimsicality.
Topics: nasa, apollo, guidance, LM
Virtual AGC Project
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A kind of timeline, from the discovery of the Apollo 14 abort-discrete problem, to its final solution, told from a team perspective.  By that, I mean that not a single individual is mentioned, although several teams are, and "personnel at Cambridge were entirely responsible for finally piecing it together".
Topics: nasa, apollo, guidance, AGC, abort, LM
Virtual AGC Project
Sep 28, 2018 Philip G. Felleman
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In spite of the title of this document --- the report is really just that Apollo 17 was an "essentially fault-free flight" --- this is really more of a nostalgic look back at things that had gone wrong in earlier missions which the author refers to as "stuck PIPA", "1300 restarts", "travelling trunnion", and so forth.
Topics: nasa, apollo, guidance
Virtual AGC Project
Sep 28, 2018 Philip G. Felleman
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Apollo 15 mission summary.
Topics: nasa, apollo
Virtual AGC Project
Sep 28, 2018 Philip Felleman
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Apollo 14 mission summary
Topics: nasa, apollo
Virtual AGC Project
Sep 28, 2018 P. Felleman
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Highlights of the Apollo 12 mission.  Includes fun stuff like the DSKY flashing all 8's 30-40 minutes prior to launch.
Topics: nasa, apollo, AGC
Virtual AGC Project
Sep 28, 2018 Don Eyles, Craig Schulenberg, Allan Klumpp
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eye 8
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Describes an LGC erasable memory program (probably EMP 103A) for backing up one or more failed CDUs during landings, ascents, or aborts.
Topics: nasa, apollo, guidance, software, AGC, LM
Virtual AGC Project
Sep 28, 2018 Don Eyles
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Discusses why there are altitude-rate errors in landings using EMP (Erasable Memory Program) 103A (descent with failed CDUs).
Topics: nasa, apollo, guidance, software, AGC, LM
Virtual AGC Project
Sep 28, 2018 Don Eyles
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eye 9
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Discusses the operation of the LGC's CDU back-up erasable program.
Topics: nasa, apollo, guidance, software, AGC, LM
Virtual AGC Project
Sep 28, 2018 Don Eyles
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eye 10
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Analysis of a "throttle pulse-out" experienced during an Apollo 15 landing test.  The explanation given is that the steep slope near Hadley Rille, combined with a range error, caused a very large error in altitude vs the software's terrain model.  It is concluded, however, that "there is no reason to expect one in flight".
Topics: nasa, apollo, guidance, software, AGC, LM
Virtual AGC Project
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eye 10
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Apparently, notes created by Don Eyles for his presentation at the ZERLINA design review.
Topics: nasa, apollo, guidance, AGC, LM, software
Virtual AGC Project
Sep 28, 2018 Don Eyles
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eye 8
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Apparently, notes Don Eyles prepared in advance of his presentation for the ZERLINA design review.
Topics: nasa, apollo, guidance, software, AGC, LM
Virtual AGC Project
Sep 28, 2018 Don Eyles
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An report of work Don Eyles was then doing on LGC program P66.
Topics: nasa, apollo, guidance, software, AGC, LM